was contracted to design, fabricate, install and test
two precision positioning systems for the Anechoic System
Test Facility at the Naval Weapons Support Center in Crane,
Indiana. Each system consisted of:
transducer positioner/pan & tilt
driver control console
positioning system provides for precisely locating a calibrated
acoustic transducer with respect to various test items,
each of which may be rotated to provide any aspect angle.
system was installed within a 2500 PSI pressure vessel.